/*
 * Copyright 2019-2020 Chair of Geoinformatics, Technical University of Munich
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.rtron.std

import org.junit.jupiter.api.Assertions.assertFalse
import org.junit.jupiter.api.Assertions.assertTrue
import org.junit.jupiter.api.Nested
import org.junit.jupiter.api.Test

internal class IterableKtTest {

    @Nested
    inner class TestIsSorted {

        @Test
        fun `isSorted() returns true if integer list is sorted ascending`() {
            val sortedList = listOf(1, 7, 7, 12, 13)

            assertTrue(sortedList.isSorted())
        }

        @Test
        fun `isSorted() returns false if integer list is not sorted ascending`() {
            val sortedList = listOf(1, 7, 3, 12, 13)

            assertFalse(sortedList.isSorted())
        }

        @Test
        fun `isSortedDescending() returns true if integer list is sorted descending`() {
            val sortedList = listOf(13, 7, 7, 1, -1)

            assertTrue(sortedList.isSortedDescending())
        }

        @Test
        fun `isSortedDescending() returns false if integer list is not sorted descending`() {
            val sortedList = listOf(13, 7, 7, 1, -1, 0)

            assertFalse(sortedList.isSortedDescending())
        }
    }
}
